Transmart tape wound cores for current transformers and voltage transformers with the following materials:
Grain oriented silicon steels: Thickness of 0.05mm, 0.08mm, 0.10mm, 0.20mm, 0.23mm, 0.27mm, 0.30mm and 0.35mm. Material width 5mm minimum.
VARIOUS SHAPE CORES AVAILABLE
Toroidal core, oval core, rectangular core, cross-section core C cut core, Gap core.
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Tape wound cores are a type of magnetic core used primarily in transformers and inductors. They are made by winding a tape of magnetic material, usually a ferromagnetic substance like ferrite or silicon steel, into a cylindrical shape. Here's a quick overview of why and how they are used:
Why Use Tape Wound Cores?
Reduced Core Losses: The tape-winding process can reduce core losses, especially hysteresis and eddy current losses, compared to other core shapes and materials.
High Frequency Performance: They are particularly good for high-frequency applications due to their low core loss and good magnetic permeability.
Improved Magnetic Properties: The tape winding technique can help in achieving a more uniform magnetic field and reducing core saturation issues.
Customization: The winding process allows for a variety of core shapes and sizes, making it versatile for different applications.
How They're Made
Material Preparation: A thin tape of magnetic material is prepared. This tape is usually coated with an insulating layer to prevent short circuits between turns.
Winding: The tape is wound around a mandrel or form to create a core. The winding can be done in various patterns to achieve desired magnetic properties.
Heat Treatment: The wound core may undergo heat treatment to improve its magnetic properties and relieve any stress in the material.
Applications
Transformers: Tape wound cores are often used in transformers for power supplies and other electronic devices where high efficiency is crucial.
Inductors: They are also used in inductors where low core loss and high inductance are required.
Filters: They can be used in filters for high-frequency signal processing.
In summary, tape wound cores are valued for their efficiency and performance in high-frequency and high-precision applications, thanks to their ability to minimize losses and optimize magnetic properties.
Our ability to tailor the composition and specific heat treatments according to our know-how enables us to design alloys with unique properties for specific customer needs.